JPH0320330U - - Google Patents
Info
- Publication number
- JPH0320330U JPH0320330U JP8093089U JP8093089U JPH0320330U JP H0320330 U JPH0320330 U JP H0320330U JP 8093089 U JP8093089 U JP 8093089U JP 8093089 U JP8093089 U JP 8093089U JP H0320330 U JPH0320330 U JP H0320330U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- movable mirror
- wide
- switching
- view
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cameras In General (AREA)
- Structure And Mechanism Of Cameras (AREA)
Description
第１図は本考案を実施した二焦点カメラの要部
を示す斜視図である。第２図は本考案を実施した
二焦点カメラの外観斜視図である。第３図は二焦
点カメラの光学系を示す説明図である。第４図は
第１図に示した係止レバーの斜視図である。第５
図は可動ミラーを望遠位置にセツトした状態を示
す要部側面図である。第６図は可動ミラーを望遠
位置から広角位置に切り換える途中の状態を示す
要部側面図である。第７図は可動ミラーを広角位
置にセツトした状態を示す要部側面図である。第
８図は可動ミラーを広角位置から望遠位置に切り
換える途中の状態を示す要部側面図である。第９
図は第２図に示す切換えノブの別の実施例を示す
斜視図である。第１０図は別の実施例の要部を示
す斜視図である。
３……望遠レンズ、４……広角レンズ、５……
切換えノブ、２０……可動ミラー、２８……回動
レバー、３０……制御レバー、３２……扇形ギヤ
、４５……係止レバー、５０……ガイド溝、５２
……テーパ面。
FIG. 1 is a perspective view showing the main parts of a bifocal camera embodying the present invention. FIG. 2 is an external perspective view of a bifocal camera embodying the present invention. FIG. 3 is an explanatory diagram showing the optical system of the bifocal camera. FIG. 4 is a perspective view of the locking lever shown in FIG. 1. Fifth
The figure is a side view of the main part showing a state in which the movable mirror is set at the telephoto position. FIG. 6 is a side view of a main part showing a state in which the movable mirror is being switched from a telephoto position to a wide-angle position. FIG. 7 is a side view of the main part showing the movable mirror set at the wide-angle position. FIG. 8 is a side view of essential parts showing a state in which the movable mirror is being switched from the wide-angle position to the telephoto position. 9th
This figure is a perspective view showing another embodiment of the switching knob shown in FIG. 2. FIG. 10 is a perspective view showing the main parts of another embodiment. 3...Telephoto lens, 4...Wide-angle lens, 5...
Switching knob, 20... Movable mirror, 28... Rotating lever, 30... Control lever, 32... Sector gear, 45... Locking lever, 50... Guide groove, 52
...Tapered surface.
Claims (1)
れた可動ミラーで撮影光路を切り換えて焦点距離
を変更する二焦点カメラの可動ミラー切換え機構
において、 前記撮影光路を切り換えるときに一方向に操作
される操作部材と、この操作部材の作動ごとに可
動ミラーのセツト位置を変更し、前記広角用光学
系と望遠用光学系とのいずれかを交互に選択する
ミラー制御手段とを有することを特徴とする二焦
点カメラの可動ミラー切換え機構。[Scope of Claim for Utility Model Registration] A movable mirror switching mechanism for a bifocal camera that includes a wide-angle optical system and a telephoto optical system and changes the focal length by switching the photographing optical path using a built-in movable mirror, comprising: an operating member that is operated in one direction when switching the optical system; and a mirror that changes the set position of the movable mirror each time the operating member is operated, and alternately selects either the wide-angle optical system or the telephoto optical system. A movable mirror switching mechanism for a bifocal camera, comprising a control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989080930U JPH0743706Y2 (en) | 1989-07-10 | 1989-07-10 | Moving mirror switching mechanism for bifocal cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989080930U JPH0743706Y2 (en) | 1989-07-10 | 1989-07-10 | Moving mirror switching mechanism for bifocal cameras |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0320330U true JPH0320330U (en) | 1991-02-27 |
| JPH0743706Y2 JPH0743706Y2 (en) | 1995-10-09 |
Family
ID=31626411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989080930U Expired - Lifetime JPH0743706Y2 (en) | 1989-07-10 | 1989-07-10 | Moving mirror switching mechanism for bifocal cameras |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743706Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120127A (en) * | 1984-11-16 | 1986-06-07 | Ricoh Co Ltd | Parallax adjusting mechanism of viewfinder |
| US4772903A (en) * | 1988-01-14 | 1988-09-20 | Eastman Kodak Company | Dual lens camera |
-
1989
- 1989-07-10 JP JP1989080930U patent/JPH0743706Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120127A (en) * | 1984-11-16 | 1986-06-07 | Ricoh Co Ltd | Parallax adjusting mechanism of viewfinder |
| US4772903A (en) * | 1988-01-14 | 1988-09-20 | Eastman Kodak Company | Dual lens camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0743706Y2 (en) | 1995-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0434515Y2 (en) | ||
| JP2792032B2 (en) | Zoom lens | |
| US5826117A (en) | TV camera lens driving device and TV camera lens | |
| JPH0320330U (en) | ||
| JPH0232604B2 (en) | ||
| JP2593203B2 (en) | Driving device for zoom lens | |
| JPS5932972Y2 (en) | Camera interchangeable lens distance adjustment device | |
| JPH019937Y2 (en) | ||
| JP2569529B2 (en) | Close-up photography device | |
| JPH02119629U (en) | ||
| JPH0339734U (en) | ||
| JPH0339735U (en) | ||
| JPH0356912U (en) | ||
| JPH0339733U (en) | ||
| JPH02117525U (en) | ||
| JPH01140523U (en) | ||
| JPH03105826U (en) | ||
| JPH0175207U (en) | ||
| JPS62169331U (en) | ||
| JPH01140522U (en) | ||
| JPH01105932U (en) | ||
| JPH02119631U (en) | ||
| JPH0221614U (en) | ||
| JPS62132532U (en) | ||
| JPS63124230U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |